What was found
NR 2 ENGINE FIRE WARNING CAME ON BRIEFLY ON TAKEOFF AND DURING T/R ON LANDING. ACCOMPLISHED VISUAL AND SHAKE CHECK OF WIRING. CLEANED OIL OUT OF CANNON PLUG. SYSTEM OPS CHECK NORMAL. NO DEFECTS NOTED. PRIOR TO T/S GROUND CHECK ACCOMPLISHMENT OF SYSTEM AND TEST NORMAL. DURING SHAKE CHECK, UNABLE TO FAULT SYSTEM. NOTE, TAIL CONNECTION FOR LOWER LOOP ON ENGINE WAS VERY OILY AND WAS CLEANED. RE-CHECK OF SYSTEM DURING RUN-UP. NO DEFECTS NOTED. (X)